Block height - The block selection and size of your blockchain (in blocks) on creation of the present block Nonce - The transaction number with the from address (bear in mind this starts at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this https://social4geek.com/story6234451/blockchain-explorer-usdt-trc20-fundamentals-explained-https-intensedebate-com-people-hawkwhorl3